Home / 113,977.18-170,861.23-43,803.64

Finding the Fourth Proportional to 113,977.18, 170,861.23 and 43,803.64

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Solution

The fourth proportional to 113,977.18, 170,861.23 and 43,803.64 is: 65,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,977.18 : 170,861.23 = 43,803.64 : x
  2. Step 2: Convert to fraction form
    113,977.18/170,861.23 = 43,803.64/x
  3. Step 3: Cross multiply
    113,977.18x = 170,861.23 × 43,803.64
  4. Step 4: Simplify right side
    113,977.18x = 7,484,343,808.88
  5. Step 5: Solve for x
    x = 7,484,343,808.88/113,977.18
  6. Step 6: Final answer
    x = 65,665.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.